Chisel, cutting tool with a sharpened edge at the end of a metal blade, used—often by driving with a mallet or hammer—in dressing, shaping, or working a solid material such as wood, stone, or metal.

Why did he use chisels?

A chisel is a sharp and straight tool often used with a hammer to shape wood or other surfaces. ... Construction workers use chisels to change the shape of wood and stone so that they can build with them.

How do you use a chisel?

Face the bevel down. Push or tap the back of the chisel to remove thin slices. Control the depth by raising and lowering the handle. Start recesses or mortises by outlining the area with a sharp utility knife or by making a series of shallow chisel cuts perpendicular to the surface.